Day01.ipynb

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   "source": [
    "with open(\"Day01.txt\") as file:\n",
    "    lines = file.read().split()"
   ]
  },
  {
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   "id": "66f4ada4-8d9b-4b92-a01b-0f91257e5746",
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   "source": [
    "import re"
   ]
  },
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   "source": [
    "digit_regex = re.compile(r\"\\d\")\n",
    "digits = [digit_regex.findall(line) for line in lines]\n",
    "calibration = [int(digit[0] + digit[-1]) for digit in digits]\n",
    "sum(calibration)"
   ]
  },
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     "execution_count": 4,
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   "source": [
    "digit_table = {\"one\": \"1\", \"two\": \"2\", \"three\": \"3\", \"four\": \"4\", \"five\": \"5\", \"six\": \"6\", \"seven\": \"7\", \"eight\": \"8\", \"nine\": \"9\"}\n",
    "digit_regex = re.compile(rf\"(?=(\\d|{'|'.join(digit_table)}))\")\n",
    "digits = [[digit_table.get(digit, digit) for digit in digit_regex.findall(line)] for line in lines]\n",
    "calibration = [int(digit[0] + digit[-1]) for digit in digits]\n",
    "sum(calibration)"
   ]
  }
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